It takes about a minute for our shower to get hot maybe less. I basically have time to pee. This is just as fast or slow as was the case for our tank based heat

It takes about a minute for our shower to get hot maybe less. I basically have time to pee. This is just as fast or slow as was the case for our tank based heater, only now it runs forever and with 4 girls in the house we would never trade back. We also have a big house even by american standards